Jacqueline Klosek

Jacqueline Klosek

Jacqueline Klosek
New York
+1 212 459 7464

Jacqueline Klosek is a partner in the firm’s Technology/Life Sciences Business unit, where she serves as one of the leaders of the firm’s Data, Privacy, and Cybersecurity practice. She also practices in the firm’s Intellectual Property Transactions and Strategies, Healthcare, Hospitality and Leisure, and Tech M&A legal practice areas.


Jacqueline’s practice focuses on transactions involving technology and intellectual property. She also provides a diverse body of clients with strategic advice on various issues related to privacy and data security. Her recent experience includes the following:

  • Great Hill Partners in its acquisition of a controlling equity stake in Clearwave Parent, Inc. at an enterprise value of $300 million
  • Conducted due diligence, advised clients on strategic privacy issues and negotiated transactional documents in thousands of corporate transactions including M&A, private equity investments, SPACs, and similar transactions
  • Counseled clients on compliance with complex privacy and data security requirements including those established by laws such as the CCPA, CalOPPA, CAN-SPAM Act, TCPA, GLB Act, HIPAA, and the European GDPR
  • Advised companies and underwriters on numerous IPOs for companies in diverse industries
  • Advised various firms on hundreds of investments into medical practices including practices specializing in fertility treatments, women’s health, gastroenterology, retina health, and orthodontic services
  • Advised on privacy issues and draft agreements in connection with various aspects of the response to the COVID-19 pandemic, including workplace reopening plans, vaccine tracking services, educational testing plans and contact tracing applications
  • Advised companies on privacy implications of various workplace wellness programs including those for cancer support and family planning services and negotiated the negotiated agreements related to the same
  • Drafted and assisted with the implementation of privacy policies and privacy compliance plans for companies in a wide range of industries including fintech, edutech, social media, e-commerce offerings, life sciences, and others

Jacqueline also dedicates a significant amount of time to serving the needs of the pro-bono clients of the firm.

Professional Activities

Jacqueline is a Certified Information Privacy Professional with the International Association of Privacy Professionals. In addition to her work for clients, Jacqueline has been involved in a number of projects that have involved the provision of advice to foreign governments and international organizations, Jacqueline previously served team leader of Intellectual Property and Technology Law for the Afghanistan Transitional Commercial Law Project, an initiative which seeks to assist Afghanistan in revising its commercial laws. She has also served as a consultant to various Directorate Generals of the European Commission in connection with a number of studies related to various aspects of the information society, including a study on International Private Law and Electronic Commerce, for which she served as the national expert for the United States.

Jacqueline is a key contributor to Goodwin’s Founders Workbench, an online resource for start-ups, emerging companies, and the entrepreneurial community.

Prior Professional Experience

Prior to joining Goodwin, Jacqueline was employed as a legal adviser with the IT, E-Commerce, and Electronic Financial Services Group in the Brussels office of Deloitte & Touche. She also completed internships with a number of international organizations, including the International Commission of Jurists in Geneva and the International Atomic Energy Agency.

Jacqueline has also lectured on international intellectual property law and the law of E-Commerce as an adjunct professor at New York University and at Seton Hall University. Jacqueline was the recipient of the Telford-Taylor Fellowship in Public International Law.





Vrije Univeriteit Brussel, Faculty of Law and Criminology


Benjamin N. Cardozo School of Law


New York University

(with departmental honors)



  • New Jersey
  • New York

Recognition & Awards

Jacqueline has been recognized by The Legal 500 US for her data protection and privacy work. In 2004, she received NJBiz magazine’s “40 Under 40” award, given annually to the top 40 achievers in New Jersey with an established record of leadership who have taken on key decision-making roles at an earlier-than-usual stage in their lives.


Jacqueline has authored and contributed to numerous books including:

  • Contributor, “Corporate Legal Departments,” Carolina Academic Press, 2016
  • Author, “Wellness By the Numbers: Understanding and Interpreting American Health Statistics,: Greenwood Publishing, 2015
  • Author, “Protecting Your Health Privacy: A Citizen’s Guide to Safeguarding the Security of Your Medical Information,” ABC-CLIO, 2013
  • Author, “The Right to Know – Your Guide to Using and Defending Freedom of Information Law in the United States,” Praeger Publishing, 2009
  • Author, “The War on Privacy,” Praeger Publishing, 2006
  • Author, “The Legal Guide to e-Business,” Greenwood Publishing, 2003
  • Author, “Data Privacy in the Information Age,” Greenwood Publishing, 2000
  • Contributor, “The New Virtual Money,” Kluwer Law International, 1999

Jacqueline is the author of numerous articles including:

  • Co-Author, “How Cannabis Cos. Can Keep Up With Privacy Compliance,” Law 360, March 16, 2023
  • Co-Author, “Navigating the New Privacy Frontier Post-Roe: Challenges and Takeaways for FemTech Companies,” Practising Law Institute Chronicle, January 2023
  • Quoted, "Term Sheet’s 2023 Crystal Ball," Fortune, January 2023
  • Author, “Viewpoint: National Research Council Report Discusses Possible Future of Privacy Regulation in the United States,” Goodwin Viewpoints, September 2007
  • Author, “Case Emphasizes Importance of Providing Clear Notice of Change of Online Terms,” Goodwin Client Alert, August 10, 2007
  • Author, “Banks Need a Disclosure Action Plan,” Goodwin Client Alert, June 1, 2007
  • Co-Author, “Massachusetts Bill: Shifting the Costs of Data Breaches,” Data Protection Law and Policy, January 7. 2007
  • Co-Author, “The Case For Factoring Data Privacy and Security Considerations Into A Company’s Outsourcing Strategy,” Metropolitan Corporate Counsel, March 2007
  • Co-Author, “Privacy in the New Congress: Predictions for 2007,” IAPP, February 1, 2007
  • Author, “Analyzing the Proposed Children and Teens’ Online Privacy Protection Act,” Practising Law Institute, September 8, 2022

Jacqueline’s speaking engagements include:

  • Speaker, “Hot Button Issues for Consumer Protection Enforcement and Litigation in 2023,” Webinar, January 19, 2023

While attending law school, Jacqueline was the senior articles editor of the Cardozo Journal of International and Comparative Law.